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Solutions & Solubility

Total questions: 115

Worksheet time: 3hrs 42mins

Name
Class
Date
1.

A solution of 30g of NH4Cl at 30oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

2.

A solution of 70g of HCl at 25oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

3.

A solution of 140 g of NaNO3 at 15oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

4.

A solution of 8 g of SO2 at 60oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

5.

A solution of 70 g of NH3 at 10oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

6.

A solution of 90 g of KNO3 at 60oC would be

a)

saturated

b)

supersaturated

c)

unsaturated

7.

Which salt is least soluble at 60oC?

a)

KI

b)

NaNO3

c)

SO2

d)

KCl

8.

Which salt is most soluble at 10oC?

a)

KI

b)

NaNO3

c)

SO2

d)

KCl

9.

Which salt shows the least change in solubility from 0 to 100⁰C  ?

a)

NaCl

b)

KNO3

c)

SO2

d)

HCl

10.

How many grams of NaNO₃ could be dissolved in 100g of water at 45⁰C  ?

a)

110 g

b)

80 g

c)

72 g

d)

140 g

11.

How many grams of KClO₃ could be dissolved in 100 g of water at 45⁰C?

a)

20 g

b)

60 g

c)

80 g

d)

40 g

12.

How many grams of KI could be dissolved in 100 g of water at 10⁰C  ?

a)

75 g

b)

122 g

c)

5 g

d)

135 g

13.

Fe(OH)3

a)

soluble

b)

insoluble

14.

AgCl

a)

soluble

b)

insoluble

15.

AgCl

a)

soluble

b)

insoluble

16.

MgSO4

a)

soluble

b)

insoluble

17.

NaCl

a)

soluble

b)

insoluble

18.

CaCO3

a)

soluble

b)

insoluble

19.

A homogenous mixture is called a...

a)

solute

b)

solvent

c)

solution

d)

soluble

20.

The part of the solution that is being dissolved is called the

a)

solvation

b)

solvent

c)

solute

d)

mixture

21.

Reducing the concentration of a solution

a)

experimenting

b)

solvation

c)

molarity

d)

diluting

22.

amount of solute per unit of volume

a)

concentration

b)

dissolving

c)

molarity

d)

acidic

23.

A concentration defined as the number of moles of solute per liter of solution is called...

a)

molality

b)

molarity

c)

percent by mass

d)

dilution

24.

The part of a solution that does the dissolving is called the...

a)

solvation

b)

solvent

c)

solute

d)

mixture

25.

The ability to dissolve is called...

a)

solvation

b)

solution

c)

solubility

d)

dilution

26.

A(n) ___ solution is one in which the solute is dissolved in water.

a)

aqueous

b)

homogeneous

c)

hetergeneous

d)

concentrated

27.

Which of these will not affect the rate of solvation?

a)

increasing the surface area (smaller pieces)

b)

heating

c)

stirring

d)

adding more solute

28.

According to the solubility rules, magnesium chromate (MgCrO₄) is...

a)

soluble

b)

insoluble

29.

According to the solubility rules, is potassium nitrate (KNO₃) soluble?

a)

yes

b)

no

30.

All (a)   are soluble.

31.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

32.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

33.

How much Ce2(SO4)3 solute is saturated at 80 degrees?

a)

20

b)

15

c)

30

d)

2

34.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

35.

At what temperature can you fully dissolve 140g of NaNO3?

a)

62

b)

73

c)

81

d)

You cannot determine this

36.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

37.

At what temperature can you fully dissolve 120g of NaBr?

a)

70

b)

20

c)

100

d)

You cannot determine this

38.

What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

39.

What type of a solution is 100g KNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

40.

What type of a solution is 260g sugar at 50ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

41.

What type of a solution is 25g NaCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

42.

What type of a solution is 55g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

43.

Using the provided solubility graph, place the following substances in the proper type of solution formed in 100 g of water.

Categorize the following

50 g of KCl at 90°C

50 g of KCl at 60°C

48 g KNO3 at 60°C

80 g KNO3 at 48°C

65 g KNO3 at 70°C

25 g of NaCl at 0°C

10 g SO2 at 60°C

130 g of KI at 0°C

70 g of NH4Cl at 88°C

60 g of HCl at 45°C

Unsaturated
Saturated
Supersaturated
44.

At approximately what temperature can 115 g of NaNO3 be dissolved in 100 g of water to create a saturated solution?

(a)   °C

45.

How much KCl can be dissolved in 100 g of water at 75°C to form a saturated solution?

(a)   g

46.

What temperature do I have to heat 100 grams of water in order to dissolve 120 grams of NaNO3? (Give the answer to the ones place.)

(a)   °C

47.

At what temperature can equal masses of KCl and HCl be dissolved in 100 grams of water? (Give the answer to the ones place.)

(a)   °C

48.

A solution occurs when the​ (a)   is (b)   in a​​ (c)   .

Choose from the below words

solute

dissolved

solvent

solution

salt

filtered

49.

Concentration is

a)

the amount of solute in the solvent

b)

the amount of solvent in the solute

c)

density

d)

particle size

50.

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt


Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

d)

I have no idea

51.

In order to dilute a solution, you need to

a)

add more of the solid

b)

add more water

c)

find the mass

d)

find the volume

52.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 
a)
2
b)
3
c)
4
d)
6 
53.
What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.0011 M
c)
1.052 M
d)
0.062 M
54.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
55.
What is the molarity of 4.0 g of NaCl (Molar mass=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.001M
c)
1.052 M
d)
0.062 M
56.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
57.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

58.

If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?

a)

.188 M

b)

3.78 M

c)

.389 M

d)

1.76 M

59.

Find the molarity of 186.55 g of sucrose, C12H22O11 in 250 mL of water.

a)

2.18 M

b)

0.746 M

c)

1.18 M

d)

0.545 M

60.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
61.

As you remove solvent (evaporate the water) from the solution, the concentration (M) will...

a)

increase

b)

decrease

c)

stay the same

62.

What is a homogeneous mixture of two or more substances?

a)

solute

b)

solvation

c)

solution

d)

solvent

63.

What is the molarity of a solution that has 0.080 moles of calcium chloride dissolved in 850 mL of solution?

a)

9.4 M

b)

0.94 M

c)

94 M

d)

0.094 M

64.

What is the molarity of a solution that has 1.50 moles of lead nitrate dissolved in 0.500 L of solution?

a)

3.00 M

b)

0.003 M

c)

0.300 M

d)

0.0300 M

65.

What is the molarity of a solution that has 16.0 g of potassium sulfide (K2S - molar mass 110 g/mol) dissolved in 0.650L of solution?

a)

24.6 M

b)

0.346 M

c)

2.23 M

d)

0.223 M

66.

If I add water to 100 mL of a 1.5 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be?

a)

1 M

b)

2.25 M

c)

0.6 M

d)

1.50 M

67.

Using the solubility curve pictured, determine whether 50 g of potassium chloride in 100g of water will be saturated, unsaturated, or supersaturated at 50°C.

a)

saturated

b)

unsaturated

c)

supersaturated

68.

20 g of calcium chloride per 100 g of water at 90°C will be...

a)

saturated

b)

unsaturated

c)

supersaturated

69.

What is the maximum amount of cesium (III) sulfate that can be dissolved at 30°C?

a)

10 g

b)

4 g

c)

35 g

d)

95 g

70.

Molarity is the measure of the (a)   of a solution.

71.

The two pieces of information needed to calculate molarity are the​ (a)   of the solute and the ​ (b)   of solution.

Choose from the below words
moles
liters
grams
gallons
72.

The two parts of a solution are the ___ and the ___.
(Select all that apply)

a)

solvent

b)

solution

c)

solute

d)

solvation

73.

  1. What does it mean for a solution to become supersaturated?

a)

  1. This is when a solvent has dissolved a solute, but the limit of how much can be dissolved has not been reached yet.

b)

  1. This is when a solvent has no solute in it.

c)

This is when a solvent has more solute dissolved in it than under normal conditions.

d)

This is when a solvent has the maximum amount of solute dissolved in it.

74.

  1. A student attended an event at a traditional tea room that offered sugar cubes instead of sugar packets. She added two sugar cubes to a cup of hot tea. After she finished drinking the tea, she was surprised to see two small chunks of undissolved sugar at the bottom of her cup. All the sugar dissolves in tea of the same temperature when added from a packet. Which of the following BEST explains why sugar remains undissolved from cubes but not from packets?

a)

The temperature of the tea with cubes was lower than the one with packets.

b)

Unlike the packet, the cube is compacted so not all sugar molecule surface areas contact the tea.

c)

Adding a cube decreases the likelihood of stirring the tea, where as adding a packet reminds people to stir.

d)

  1. Unlike the tea cup with cubes, tea with packets is served in a bigger cup that allows for more tea.

75.

Which term correctly describes a solution containing 50 g KCl/100g H2O at 60°C?

a)

subsaturated

b)

saturated

c)

supersaturated

d)

unsaturated

76.

The following graph represents the amount of sugar that dissolves in 100 g of water at different temperatures. Which of these is the best prediction of the greatest amount of sugar that will dissolve in 300 g of 30 °C water?

a)

70 g

b)

220 g

c)

660 g

d)

1320 g

77.

  1. Use solubility rules to determine the missing states of matter in the equation below.

(NH4)2Cr2O7 (aq) + Ca(OH)2 (aq) --> 2 NH4OH ( ? ) + CaCr2O7 ( ? )

Which product is insoluble?


a)

  1. (NH4)2Cr2O7

b)

Ca(OH)2

c)

NH4OH

d)

CaCr2O7

78.

  1. Based on general solubility rules, which compound will form a precipitate if it is the product of a double replacement reaction?


a)

  1. ammonium sulfide ((NH4)2S)

b)

potassium phosphate (K3PO4)

c)

lead (II) nitrate

(Pb(NO3)2)

d)

tin (II) carbonate
(SnCO3)

79.

Which unit listed below is used to measure solution concentration in chemistry?

a)

electronegativity

b)

molarity

c)

solubility

d)

viscosity

80.

  1. What is the molarity of 5.60 mol of sodium carbonate in 1500 ml of solution?

  2. Round to one decimal place.

81.

Which equation can be used to calculate the dilution of a solution?

a)

a = bc

b)

c = λν

c)

PV = nRT

d)

M1V1 = M2V2

82.

What type of a solution is 150g NaCl at 25ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

83.

How many grams of CaCl2 could be dissolved in 100g of water at 30⁰C?

a)

74 g

b)

50 g

c)

90 g

d)

100 g

84.

Which of the following compounds is insoluble in water?

a)

CaCO3

b)

NaCl

c)

LiNO3

d)

KBr

85.

What is the solubility of Na2SO4 at 30oC?

a)

20 g/100 g H2O

b)

30 g/100 g H2O

c)

40 g/100 g H2O

d)

50 g/100 g H2O

86.

What is the solubility of NaCl in 100 g of water at 25⁰C?

a)

56 g

b)

26 g

c)

36 g

d)

46 g

87.

Which of the following compounds is insoluble in water?

a)

NaCl

b)

KCl

c)

AgCl

d)

LiCl

88.

How many grams of sugar can be dissolved in 100 g of water at 20⁰C?

a)

160 g

b)

180 g

c)

220 g

d)

200 g

89.

A scientist makes a solution that contains 44.0 grams of hydrogen chloride gas, HCl(g), in 200. grams of water, H2O(l), at 20.°C. This process is represented by the balanced equation below.

Explain, in terms of the distribution of particles, why the solution is a homogeneous mixture.

The particles in a solution are ​ (a)   distributed.

Choose from the below words
uniformly
non-uniformly
90.

A ____________ is another name for a homogeneous mixture.

a)

solute

b)

solution

91.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
92.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

a)

lowering the temperature of the solvent

b)

increasing the pressure on the solution

c)

stirring the solute in the solution

d)

increasing the particle size of the solute

93.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

a)

lowering the temperature of the solvent

b)

decreasing the size of the solute particles

c)

stirring the solute in the solution

d)

increasing the particle size of the solute

94.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

a)

lowering the temperature of the solvent

b)

raising the temperature of the solvent.

c)

increasing the particle size of the solute

95.

You make a Kool Aid drink using Kool Aid powder, sugar, & water & you notice your drink still has to much powder sitting at the bottom. What will happen if you add more water to the drink?

a)

decrease the solubility of your drink

b)

decrease the solubility rate of your drink

c)

increase the solubility rate of your drink

d)

increase the solubility of your drink

96.

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

a)

concentration.

b)

density.

c)

dilution.

d)

solubility.

97.

Raising the temperature of the solvent typically has what effect on the rate of dissolving?

a)

Increases

b)

Decreases

c)

Pauses

d)

No effect

98.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

a)

lowering the temperature of the solvent

b)

stirring the solute in the solution

c)

increasing the pressure on the solution

d)

increasing the particle size of the solute

99.
Which is an example of a solute?
a)
Egg whites
b)
Sugar
c)
Water
d)
Acetone
100.

How could you change a saturated solution to an unsaturated solution?

a)

Add solvent

b)

Add solute

101.

A solution that has water as the solvent is called a(n).....

a)

Aqueous Solution

b)

Water-Based Solution

c)

Organic Solution

d)

Dilute Solution

102.

A solution that is able to dissolve additional solute is best described as

a)

supersaturated.

b)

concentrated.

c)

saturated

d)

unsaturated.

103.
An unsaturated solution is one that....
a)
contains the maximum amount of dissolved solute.
b)
contains less solute than a saturated solution.
c)
contains more solute than a saturated solution.
d)
is the amount of a substance required to form a saturated solution.
104.

A ____________ solution contains more than the maximum amount of solute a solvent can theoretically hold. Crystals can be grown from these solutions.

a)

unsaturated

b)

supersaturated

c)

saturated

105.

take a cup of water, add sugar, and stir. if the resulting solution contains sugar crystals that do not dissolve, the solution is said to be

a)

non of these

b)

a homogenous soultion

c)

an unsaturated solution

d)

a saturated solution

106.

When a crystal of solute is added to a clear aqueous solution, the solution becomes solid and look like snow. The solution is

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

Solvated

107.

The amount of solute that can be dissolved in a specific amount of solvent at a given temperature is its

a)

concentration.

b)

density.

c)

dilution.

d)

solubility.

108.
A measure of the amount of solute in a given amount of solvent or solution is...
a)
saturated
b)
solubility
c)
concentration
d)
miscible
109.

As you put in more solute in the solution, the concentration of the solution will...

a)

increase

b)

decrease

c)

stay the same

110.

Michael is making lemonade. As he adds more sugar to the lemonade, the concentration of the sugar in the lemonade will...

a)

increase

b)

decrease

c)

stay the same

111.
A measure of the amount of solute in a given amount of solvent or solution is...
a)
saturated
b)
solubility
c)
concentration
d)
miscible
e)

molarity

112.
A measure of the amount of solute in a given amount of solvent or solution is...
a)
saturated
b)
solubility
c)
miscible
d)

molarity

113.

The term molar, which describes a solution's concentration, is written as?

a)

M

b)

mol

c)

g

d)

g/L

114.

Which of the following compounds is most soluble in water at 20oC?

a)

CaCO3

b)

AgCl

c)

KI

d)

NaNO3

115.

How many grams of NaNO3 can be dissolved in 100 g of water at 30oC?

a)

80 g

b)

100 g

c)

95 g

d)

70 g

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